Overview:

Mai is a pure and hardworking girl that decides to stay at her grandparents’ house for winter vacation. In that house, there’s a door that must not be opened…
But Mai’s curiosity gets the best of her, and in that room she discovers her fat, pale, shut-in uncle…
Mai, being a pure girl, talks with him casually with no qualms, but doesn’t realize his leering eyes lust for her…